JPH0726260A - Production of soil conditioner - Google Patents

Abstract

PURPOSE:To obtain a soil conditioner effective for the vegetation of e.g. dry land. CONSTITUTION:A nutrient source comprising a humic acid substance, weathered coal, etc., and/or minor elements are dissolved in a solution of a dialkylsulfosuccinate such as sodium diisobutylsulfosuccinate, sodium dihexylsulfosuccinate, sodium dioctylsulfosuccinate, sodium bistridecylsulfosuccinate, sodium dicyclohexylsulfosuccinate or sodium diamylsulfosuccinate or an alkylallylsulfonate such as sodium diisopropylnaphthalenesulfonate to form a water-repellency-reducing and fertilizing treatment agent, and this agent is absorbed by peat. This peat in the state of reduced water repellency effectively absorbs the nutrient source and/or the minor elements to form a soil conditioner which is sufficiently hydrophilic, water-retaining and fertilizing properties, and this is used to condition soil.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for producing a soil conditioner suitable for use in vegetation and greening of arid areas.

[0002]

2. Description of the Related Art Conventionally, in deserted soil, dry land such as sandy land, the loss of water due to evaporation of water and infiltration into the ground is severe. Inadequate water absorption and nutrients for growth cannot be obtained.
Therefore, in such dry land, in order to artificially irrigate with sprinkler or drip irrigation, or to increase the water retention capacity of such dry soil, polyacrylate and its copolymer, maleic anhydride are used. There is an attempt to grow plants and establish them in a dry place by taking measures such as mixing a water-absorbing polymer with a salt such as a copolymer of α-olefin and α-olefin in a powder state. However, such artificial irrigation requires a water source capable of continuously supplying a large amount of clean water, and it is extremely difficult to obtain this near a dry land. In addition, when water evaporation in the surface soil is severe, salts in the irrigation water accumulate on the surface layer of the soil, and in some cases, it becomes impossible to apply vegetation here within a short period of 1-2 years. A large amount of washing water and drainage facilities are required for its maintenance. In addition, the water-absorbing polymer has a significantly reduced water absorption amount with respect to water containing salts. Furthermore, when 0.3% or more of the water-absorbent polymer is mixed in the soil, it is known that the air permeability of the soil is deteriorated to cause vegetation failure, and furthermore, the polymer itself is very expensive. In addition, from the viewpoints that the decomposition by sunlight is quick and the safety of the decomposition products to the environment is still unknown, its proper and safe use standard has not been established yet. Therefore, it is a natural product and is a publicly recognized peat (i.e., humus soil called peat, peat moss, grass charcoal, etc.) for its soil improvement effect, water retention and fertilization effect, and safety. There is an attempt to mix such dry soil (referred to as peat in the description) into a soil suitable for plant growth and maintain it for a long period of time.

[0003]

However, since peat has a low bulk specific gravity (bulk density),
It is difficult to mix with desertified soil or dry soil such as sandy land, and even if it is mixed, by receiving temporary water, wind, etc., peat floats from the dry soil and scatters. is there. Further, although peat is an organic substance having an excellent water-holding and fertilizing effect, the peat itself does not contain a nutrient source sufficient for plant growth. That is, since peat itself is poor in nutrient sources such as nitrogen, phosphorus and potassium and various minerals, it is difficult to grow higher plants simply by mixing the peat in dry soil. However, since peat has a small bulk specific gravity as described above, it is difficult to mix with solid fertilizer,
Further, due to the water repellency peculiar to the dried plant fiber possessed by the peat, it is not easily compatible with liquid fertilizer.
Therefore, to use peat on these dry soils,
Remove the water repellency of the peat, increase the bulk specific gravity,
If you do not perform various pretreatments such as mixing fertilizers, you have a problem that you can not obtain a very effective soil improvement effect even if you mix the peat into dry soil,
Moreover, it has been substantially difficult to sufficiently perform such pretreatment during soil preparation work in such a dry land. Therefore, in view of the above circumstances, the present invention can easily create a soil suitable for vegetation even in a dry land without burdening the soil creation work, and is effective and safe for a long period of time. It is intended to provide a method for producing a soil conditioner used.

[0004]

Means for Solving the Problems That is, the present invention provides a peat treatment agent by dissolving a water-soluble nutrient source and / or a trace element in a solution containing a dialkylsulfosuccinate, and the peat is treated with the peat treatment. By absorbing the agent, the water repellency of the peat is suppressed, and a nutrient source and / or a trace element is added to the peat. Further, the present invention, by generating a peat treatment agent by dissolving a water-soluble nutrient source and / or trace elements in a solution containing an alkyl allyl sulfonate, by allowing the peat to absorb the peat treatment agent, It is constituted by suppressing the water repellency of the peat and adding a nutrient source and / or a trace element to the peat. Further, in the present invention, the water-soluble nutrient source and / or the trace element is constituted so as to be a humic acid substance or a coal weathering material. Furthermore, by adding a binder to the soil improver produced as described above, to produce a caking soil improver, so as to form the caking soil improver into a granule, configured . Further, in the present invention, a peat treatment agent is generated by a solution containing a dialkylsulfosuccinate, and the peat treatment agent is absorbed by the peat treatment agent, thereby suppressing the water repellency of the peat and suppressing the water repellency. It is constituted by adding a water-soluble humic acid substance and / or coal weathering to the peat. Further, the present invention, by producing a peat treatment agent by a solution containing an alkylallyl sulfonate, and by allowing the peat to absorb the peat treatment agent, to suppress the water repellency of the peat, the water repellency is suppressed. The water-soluble humic acid substance and / or coal weathering is added to the peat. The numbers in parentheses () indicate the corresponding elements in the drawings for convenience, and therefore the present description is not limited to the description in the drawings. The same applies to the following action columns.

[0005]

With the above-mentioned constitution, the present invention acts so that the peat in the state where the water repellency is suppressed effectively absorbs the nutrient source and / or the trace element during the production of the soil improving material.
Further, in the present invention, peat acts as a nutrient source and / or a trace element to absorb humic acid substances and coal weathering. Furthermore, the present invention acts so that the peat is caking by the caking material and the caking soil improving material is formed into a granular shape so as to be gathered in a predetermined particle size. In addition, the present invention acts so that the peat in which the water repellency is suppressed and the water-soluble humic acid substance and / or the coal weathering product are uniformly mixed during the production of the soil conditioner.

[0006]

EXAMPLES Table 1 shows examples of water repellent inhibitors used to inhibit the water repellency of peat in the method for producing a soil conditioner according to the present invention, and Table 2 shows other examples of the water repellent inhibitors. table,
Table 3 is a table showing examples of nutrient sources (major elements) added to peat in the method for producing a soil improving material according to the present invention, and Table 4 is a mineral (trace element) added to peat in a method for producing a soil improving material according to the present invention. ) Are shown in Table 5, Table 5 is an example of a binder used for peat granulation in the method for producing a soil improver according to the present invention, and FIG. 1 is a diagram showing the drying using the soil improver produced according to the present invention. FIG. 2 is a diagram showing an example of soil improvement on a sloping land, and FIG. 2 is a diagram showing a bag-filled state of the soil improvement material produced by the present invention.

The soil improving material produced by the present invention uses humus soil called peat moss or grass charcoal as a raw material, that is, peat composed of plant fibers in the process of humification (hereinafter referred to as peat in this specification). As a raw material of soil conditioner, peat is a product distribution unit that is dried, compressed, etc. to some extent, that is, fine powder, coarse powder, granules, pellets, cords. It is a known one which is formed into an appropriate shape such as a net, a sheet or a mat and is supplied in bulk or in a bag. As shown in FIG. 2, the soil improving material 3 which is an example of the soil improving material manufactured using the present invention is packed in a cloth bag 31 as a soil improving material pack 30 as shown in FIG. In the soil improving material pack 30 in the examples, organic or inorganic soil improving materials such as bark compost and vermiculite, sand, soil, etc., together with the soil improving material 3 which is an essential constituent component of the soil improving material pack 30, It is contained here in the form of being uniformly kneaded with the particles of the soil improving material 3.

The peat which constitutes the soil improving material 3 suppresses the water repellency inherently possessed by the peat as plant fibers in the process of humification to increase the hydrophilicity, and at the same time, the peat lacks. In order to replenish the fertilizer content, the surface and the permeation treatment are carried out by a water repellent deterrent fertilizer treatment agent. The water repellent deterrent fertilizer treatment agent includes hexyl, octyl, cyclohexyl and isobutyl as water repellent inhibitors. , Decyl,
A dialkyl sulfosuccinate composed of an alkyl group selected from amyl and the like and salts selected from sodium, potassium and the like is used. More specifically, as the dialkylsulfosuccinate, as shown in Table 1 below, sodium diisobutylsulfosuccinate, sodium dihexylsulfosuccinate, sodium dioctylsulfosuccinate, sodium bistridecylsulfosuccinate, sodium dicyclohexylsulfosuccinate, or diamyl. Sodium sulfosuccinate or the like is used. As another example of the water repellent inhibitor for treating peat, an alkyl allyl sulfonate composed of the same alkyl group as that constituting the dialkyl sulfosuccinate and an allyl group selected from phenyl, naphthalene, etc. More specifically, as the alkylallyl sulfonate, sodium diisopropylnaphthalene sulfonate or the like is used as shown in Table 2 below. These water repellent inhibitors have been confirmed to be safe, that is, Table 1 and Table 2
All of the treatments listed in are for the US Food and Drug Administration (FDA)
Since its use is authorized by
The safety of the water-repellent inhibitor used for suppressing the water repellency of Pete is ensured.

[Table 1]

[Table 2]

Further, in the water repellent inhibiting fertilizer treating agent, a water-soluble nutrient source and a trace element, that is, a mineral, are added to the water repellent inhibiting agent in order to replenish the peat with a fertilizer component lacking in the peat. It is mixed in the form of being dissolved in the solution. As the nutrient source, as shown in Table 3 below, potassium phosphate, calcium nitrate, diammonium hydrogen phosphate, dipotassium hydrogen phosphate and the like are used. Further, as the mineral, as shown in Table 4 below, copper sulfate dihydrate, magnesium sulfate heptahydrate, manganese chloride tetrahydrate, zinc sulfate heptahydrate, sodium ethylenediaminetetraacetate iron complex salt, sodium molybdate, Boric acid or the like is used.

[Table 3]

[Table 4] Further, magnesia lime, slaked lime, etc. for adjusting the pH of peat are added and kneaded at a predetermined ratio to the soil improving material 3 produced by the present invention. That is, peat without any treatment for adjusting the pH, addition, etc. is usually
It is known that the soil is acidic with a pH of about 3 to 5, but the soil conditioner 3 is added and kneaded with such limes before being mixed with the soil to be improved, and the pH thereof is, for example, 6%.
The pH is adjusted to ~ 8.

Further, the soil conditioner 3 contains a binder for compensating the stickiness of peat. As the binder, bentonite and sodium carboxymethyl cellulose are used as shown in Table 5 below. (CMC), polyvinyl alcohol (PVA), etc. are used. Therefore,
The peat that has not been subjected to any known treatment usually has bulky properties, but the peat that constitutes the soil improving material 3 is given a caking property by the above-mentioned caking material, The soil-improving material 3, which is a caking soil-improving material, is formed into a granular shape in a form in which the bulky peat is adhered via the property.

[Table 5]

When producing the soil conditioner 3, as described above, a water repellent inhibitor such as dialkylsulfosuccinic acid or alkylallyl sulfonate, and a nutrient source and / or mineral dissolved and kneaded in the water repellent inhibitor. By using the water repellent deterrent fertilizer treating agent composed of the above, the properties of the peat are improved by performing the water repellent deterrent fertilizing treatment on the peat. For this purpose, peat in a dry state as a product for soil conditioner is passed through an aqueous solution of the water repellent inhibiting fertilizer treating agent, and the peat is subjected to a surface and permeation treatment to obtain a water repellent inhibiting supplement. The peat absorbs the active ingredient in the fertilizer, thereby suppressing the water repellency of the peat and adding a nutrient source and / or a fertilizer such as minerals.
That is, in the dry state, untreated peat becomes a state in which the water repellency held by the peat is suppressed by the water repellent suppressor in the water repellent suppressive fertilizer and the hydrophilicity is increased. The hydrophilic peat can favorably absorb the nutrient sources and minerals contained in the water repellent deterrent fertilizer.

Therefore, for example, the concentration is 0.01 to 10
%, In a water repellent inhibitor as shown in Table 1 or Table 2 in the form of an aqueous solution, a nutrient source as shown in Table 3 and / or a mineral as shown in Table 4 is suitable. The water-repellent inhibiting treatment fertilizer is produced by dissolving and mixing in various combinations and ratios. Then, the peat is immersed in the water-repellent inhibiting fertilizer which is in the state of the aqueous solution, or the peat is sprayed with the treatment solution to pass through the treatment solution. In the examples, first, peat in a dry state was added to the mixed granulation mixer, and a predetermined amount of water repellent inhibiting treatment fertilizer was added to the mixed granulation mixer while kneading the mixture. The water repellent treatment agent was absorbed in peat. As a result, peat effectively absorbs the nutrient source and / or minerals in the water repellent treatment fertilizer with the water repellency possessed by the peat suppressed by the water repellent inhibitor. You can do it. Then, the peat before the water-repellent treatment is highly water-repellent in nature because it is a plant fiber that is in the process of being humified, and peat in a state dried by the sun or the like has very strong water-repellency. It is known that the water-repellent inhibitor in the above-mentioned water-repellent inhibitory fertilizer suppresses the water repellency originally held by Pete, and makes the water-repellent agent in a hydrophilic state. It becomes a state in which the nutrient source and / or the fertilizer component by the mineral in the deterrent is effectively absorbed and contained.

The peat may be subjected to the water-repellent inhibiting fertilizer treatment in a dry state or a wet state as the raw material, or in an appropriate shape as described above suitable for distribution as a peat product ( Granules, pellets,
It may be either before or after being processed into a cord shape, a sheet shape or the like), but the water repellent inhibiting fertilizer treatment is completed at least before being mixed with the basic soil to be improved. As for the water-repellent deterrent effect of the peat that has been subjected to the water-repellent inhibition treatment, the treated peat has a longer elapsed time up to the water absorption start time and the maximum amount of water supply than the peat that has not been subjected to any water-repellent inhibition treatment. It has been confirmed by tests that both sides are excellent, that is, the soil conditioner 3 obtained by subjecting dried peat as a raw material to a water repellent deterrent treatment can exhibit marked hydrophilicity.

In this way, when the peat is subjected to the water-repellent inhibiting fertilizer treatment, by adding the binder shown in Table 5 to the peat, the soil improver 3 is produced as a caking soil improver, The soil conditioner 3 is formed into a granular shape. In the examples, since the water repellent deterrent fertilizer treatment is performed in the mixed granulation mixer as described above, the binder addition and the granulation work are continued after the water repellent deterrent fertilizer treatment. A predetermined amount of a binder is added to the mixed granulation mixer, and the binder is mixed with the peat having absorbed the water-repellent inhibitory fertilizer treatment agent. Then, the peat that was previously in a dry state has a small bulk specific gravity (bulk density) in the form of a bulky state as the essence of the peat, but the addition of the binder causes the peat to be It becomes a form that is given caking properties. Then, the granular soil improving material 3 is obtained in a form in which the peat, which has been in a bulky state until then, is gathered into an appropriate particle size through the caking property of the caking material. For such granulation, for example, a pelletizer or the like may be used to perform the mixing operation and the granulation operation separately.

In this way, when the granular soil improver 3 is produced in the mixed granulation mixer, a predetermined amount of organic or inorganic soil improver such as bark compost, vermiculite, sand or soil is prepared in the mixed granulation mixer. throw into. Then,
The soil improving material 3 has already been suppressed in water repellency, which is the property of peat which is a raw material of the soil improving material, and has a large bulk specific gravity in the form of being aggregated into a predetermined particle size through a binder. The granular soil improver is homogeneously mixed with the organic or inorganic soil improver, sand, soil and the like, since the granular soil improver has a granular shape. Therefore, by packing the soil improving material 3 thus obtained and a mixture of other materials in predetermined amounts in suitable cloth bags 31, a soil improving material pack 30 as shown in FIG. 2 is manufactured.

Therefore, in order to improve the soil suitable for vegetation, for example, by using the soil improving material 3 manufactured according to the present invention, a dry sloped land such as a sandy soil can be prepared as shown in FIG. The soil improving material 3 is installed on the surface layer portion 2a of the basic soil 2. For this, as shown in FIG. 2, the soil improving material pack 30 in which the soil improving material 3 is packed in a cloth bag 31 together with other materials is transported to the inclined dry land 1, and the soil improving material pack 30 is transported. Are laid side by side on the basic soil 2. Alternatively, the soil improving material 3 is directly mixed with the sand ground constituting the basic soil 2 in the surface layer portion 2a. At this time, since the soil conditioner 3 is formed in a granular shape through the binder and has a large bulk specific gravity, it is easy to handle and the soil soil forming the basic soil 2 It is easy to mix, and there is no concern that it will be scattered by wind or the like during or after soil preparation work. In this way, the improved soil 20 is created by disposing the soil improving material 3 on the surface layer portion 2a. Then, the water repellency of the improved soil 20 is suppressed, and the soil improving material 3 made of peat containing a sufficient amount of fertilizer is arranged, so that the improved soil 20 is highly hydrophilic. It is constructed to cover the basic ground 20 as a plant growth base in a state of having water retention and containing a sufficient amount of fertilizer.

In this way, when the well-known drip irrigation is applied to the basic soil 2 of the sloped dry land 1 and the water 6 for irrigation is supplied to the surface layer portion 2a through the perforated pipe 5, the water 6 exists. It is dripped from the hole 5a of the hole tube 5 into the surface layer portion 2a. Then, the improved ground 20 of the surface layer portion 2a is subjected to a water-repellent inhibiting treatment with a dialkyl sulfosuccinate, an alkylallyl sulfonate, or the like, whereby the water repellency of the peat is inhibited, and the peat has a significantly hydrophilic shape. Since the soil improving material 3 is mixed, the water 6 permeates underground from the surface layer portion 2a shown in the lower part of FIG. It does not evaporate and loses its water due to the day, and it is well compatible with the peat that has been subjected to the water repellent suppression treatment that constitutes the soil improving material 3, and the water 6 is retained there. As a result, the surface layer portion 2a of the basic soil 2 can obtain much more water retention than before the soil improvement. Therefore, even when natural rainfall other than the water 6 for irrigation supplied through the perforated pipe 5a is present in the sloped dry land 1, the water 6 caused by the rainfall is not transferred to the improved ground 20 of the surface layer portion 2a. Pending

The soil improving material 3 thus provided with the water 6 contains the nutrient source and / or the mineral dissolved and contained in the water repellent inhibiting fertilizer treating agent at the time of manufacturing the soil improving material 3.
By being well absorbed in the tissue of Pete, Table 3
And nitrogen (N), phosphorus (P), potassium (K), and / or magnesium (Mg) in the improved ground 20 by decomposing nutrients and / or minerals shown in Table 4. Sulfur (S), iron (Fe), boron (B), zinc (Zn), manganese (Mn), molybdenum (Mo),
It provides minerals such as calcium (Ca), that is, trace elements. Thereby, the improved ground 20 becomes suitable soil for plants to grow here. In particular, these nutritional sources and /
Alternatively, it becomes possible to grow higher plants such as vegetables and fruits in which trace elements are essential for their growth. As a result, the sloped dry land 1 has improved water content in its surface layer portion 2a in a form that can provide sufficient hydrophilicity and sufficient nutrients in addition to the water retention and fertilization properties that peat originally has. 20 are created as a plant growth base. And the slope dry land 1
Can improve the soil conditions effective for vegetation over a long period of time without relying on artificial materials, with the soil itself being improved by the natural product peat.

As described above, in order to improve the ground so that the basic soil 2 is suitable for vegetation, it is sufficient to simply mix the soil improving material 3 with the surface layer portion 2a thereof. Since it is not necessary to perform a complicated water increasing process such as flooding the peat for a predetermined time, the soil can be efficiently improved in soil preparation work. The soil improving material 3 once mixed with the surface layer portion 2a of the basic soil 2 and supplied with the water 6 has already removed the water repellency originally held by Pete, so that the surface layer portion 2a Immediately after it was laid in the plant, it always retains a small amount of water, that is, it has spring water, so that the improving material 3 can supply sufficient water for the growth and maintenance of plants, and Pete originally has it. It is also possible to provide fertilizing effect over a long period of time by effectively supplying the humus soil component to the plant as a fertilizer. Further, since the improved ground 20 is composed of the soil improving material 3 made of peat which is a natural product as a raw material, it is well compatible with the basic soil 2 and the peat forming the soil improving material 3 is Since the bulk specific gravity is adjusted so as not to be scattered by wind and rain, it is not necessary to cover the surface layer portion of the improved ground 20 with a sheet or emulsion resin. Therefore, when the need for additional fertilization arises after the formation of the improved ground 20, at any time, a necessary amount of the necessary type of nutrient source and / or mineral is dissolved alone or in advance in the irrigation liquid, It is also possible to increase the layer thickness of the improved ground 20 by directly adding it to the improved ground 20 in the form of spraying or mixing, or by mixing the improved ground 20 with the foundation soil 2 in a deeper layer. .

In the above-mentioned Examples, the water repellency is obtained by dissolving and mixing the nutrient source shown in Table 3 and / or the mineral shown in Table 4 in the water repellent inhibitor shown in Table 1 or 2. A deterrence-treated fertilizer is generated, and the water-repellent deterrence-treated fertilizer is absorbed by peat, whereby the peat is subjected to a water-repellent deterrence treatment and addition of a nutrient source and / or a mineral to generate a soil improving material 3. Although the example of doing so was described, the nutrient source and / or the mineral dissolved in the water-repellent inhibiting treatment fertilizer may be a humic acid substance or coal weathering.

That is, the humic acid substance is a substance obtained by oxidizing lignite, brown coal, peat with nitric acid or nitrogen dioxide, and salts thereof (for example, ammonium salt, potassium salt, magnesium salt, etc.).
And the humic acid content is 40% or more. Then, since such a humic acid substance is easily water-soluble, it is easily dissolved in the water repellent inhibitor. Therefore, the production of the water repellent deterrent fertilizer treating agent is easy. Moreover, since the humic acid substance has a fertilizing effect 10 times or more that of compost, the water repellent-suppressing treatment fertilizer containing the humic acid substance dissolved and mixed therein is simply absorbed by the peat to provide the peat with a nutrient source. It is possible to effectively add and supplement minerals. In this way, the soil-improving material 3 rich in nutrients can be easily produced, and a small amount of humic acid substance is required for this.

Further, the coal weathered product has a humic acid content of 40% or more due to the weathering of lignite, bituminous coal, etc. in a natural environment, and is extremely soluble in water. It has the same fertilizing effect as the substance. Therefore, if the coal weathering material is dissolved and mixed in the water repellent inhibitor to produce a water repellent inhibitor fertilizer treatment material and absorbed in peat, the soil improving material rich in nutrients can be easily and effectively added. 3 can be generated. And, such a coal weathered product is safe because it is a natural resource existing in nature. In addition, although such a coal weathering material has not been used for a single purpose in the past, it should be used for producing a water repellent treatment fertilizer (that is, adding a nutrient source and / or a mineral). Thus, the nutrients possessed by the coal weathered product can be effectively used. Moreover, since the purpose of utilizing the coal weathered material is to improve the soil, by using the coal weathered material in the production of the soil improving material 3, as a result, the coal weathered material is reduced to the ground. Become. Therefore, the use of coal weathered materials will not lead to overfishing of natural resources.

As described above, by using the humic acid substance and the coal weathering material, it is possible to easily and effectively add the nutrient source and / or the mineral to the peat. Further, since the humic acid substance and the coal weathering material themselves are highly hydrophilic, the water retention capacity of the soil conditioner and the fertilization power resulting from the water retention capacity are enhanced. further,
Such humic acid substances and coal weathering are inexpensive. In addition, since the humic acid substance and the raw material of the coal weathering product are composed of the plants in the process of being humified as described above, they often coexist in the production area of peat. In this case, the raw materials for manufacturing the soil conditioner 3 can be procured in the same area, so the raw material transportation cost is low.

Further, since such humic acid substances and coal weathered substances are substances in the middle of carbonization of plants as described above, they are well compatible with peat which is a raw material of the soil improving material 3. Therefore, the humic acid substance and the coal weathering material do not necessarily have to be used in a solution component state in which they are dissolved and mixed in the water repellent inhibiting fertilizer. That is, a water repellent inhibitor obtained by simply converting a dialkylsulfosuccinate shown in Table 1 or an alkylallylsulfonate shown in Table 2 into an aqueous solution is used as a peat treatment agent. Then, the peat treatment agent is first absorbed by peat to suppress the water repellency of the peat. The water-soluble humic acid substance and / or the coal weathering product is added thereto in the powder state to produce the soil improving material 3. Then, since the humic acid substance and the coal weathering material are well compatible with the peat, the water-repellent-inhibited peat and the humic acid substance and / or the coal weathering material are easily mixed homogeneously. Therefore, the soil improving material 3 which is homogeneous and rich in fertilizer, and which has fertilizer retention ability and water retention ability without the fear that the humic acid substance and the coal weathered matter are mixed with the peat and floats or sinks. Manufactured. In this way, by using the water-soluble humic acid substance or coal weathered material as an additive in the form of powder, without using it in the form of an aqueous solution dissolved and mixed in the water repellent deterrent fertilizer treatment agent, The labor for manufacturing the soil conditioner 3 is simplified. In addition, powdery water-soluble humic acid substances and coal weathering products are easy to handle during transportation and storage,
Alternatively, there is an advantage that the amount of minerals mixed can be controlled by the added weight of the water-soluble humic acid substance or coal weathering agent, without depending on the solution concentration or volume.

In the above-mentioned embodiment, the soil improving material 3 produced according to the present invention is packed as a soil improving material pack 30 together with organic or inorganic soil improving materials such as bark compost and vermiculite, sand, soil, etc. As an example of use, the soil improver 3 is obtained by mixing the soil improver 3 in the form of fine powder, coarse powder or granules with the sand ground constituting the surface layer portion 2a, or in the form of pellets. Soil conditioner 3
Or sowing, or covering the basic soil 2,
A soil-improving material 3 formed in a string shape or a net shape is unfolded and fixed, a soil-improving material 3 formed in a sheet shape or a mat shape is laid, or another shape-improved material is used by an appropriate method. It doesn't matter. Soil conditioner pack 3
0, powdery soil conditioner 3 may be used. In addition, when improving the basic soil 2 to obtain the improved soil 20, the soil improving agent 3 which is not packaged as the soil improving agent pack 30 and known soils such as vermiculite, perlite, bentonite, zeolite and charcoal. The improving material may be added and mixed in the sand ground constituting the surface layer portion 2a in the form of being mixed with the surface layer portion 2a at the time of forming the surface layer portion 2a. The method of adding and kneading is arbitrary. Of course, known inorganic or organic fertilizers, water-absorbing polymers, etc. may be appropriately added to the basic soil 2 at any time as necessary. Further, in the examples, the soil conditioner 3 is described as an example in which the pH is adjusted by adding and kneading clay of lime, slaked lime, and the like, but the application is applied to plants that do not dislike acidity, and alkaline soil. Then, of course, it may be used without adjusting the pH. In addition, when the soil improving material according to the present invention is used to improve the basic soil 2 or the like of the dry sloping land 1, it is not always necessary to use the above-mentioned drip irrigation together, and for example, relying only on natural rainfall, or other There is no problem even if the artificial irrigation method of is used. Furthermore, the soil improving material produced by the present invention is not limited in its application to the sandy ground of a dry slope, and water is severely lost due to evaporation of water or infiltration into the ground,
Even if it is applied to desertified poor soils or steep slopes, hard soils, and other areas where plants cannot obtain sufficient water absorption for their growth only by relying on natural rainfall, as described above. The same effect as described above, that is, a soil which is effective for vegetation and safe for a long period of time can be easily obtained without burdening the construction work.

[0026]

As described above, according to the present invention, a peat treating agent is produced by dissolving a water-soluble nutrient source and / or a trace element (mineral) in a solution containing a dialkylsulfosuccinate. By making the peat absorb the peat treatment agent to suppress the water repellency of the peat and to add a nutrient source and / or a trace element to the peat, the peat repels at the time of the production of the soil improver. Pete in a water-inhibited state can effectively absorb nutrients and / or trace elements. Therefore, the soil improver produced by the present invention is adjusted to have a hydrophilic property by suppressing the water repellency of peat, and further contains a nutrient source and / or a trace element sufficiently. Presents the state of Therefore, by mixing the produced soil improving material into the surface layer portion 2a of the basic soil 2 which is the soil to be improved in the dry land such as the slope dry land 1 where vegetation is difficult, In addition, soil suitable for vegetation can be easily created without burdening the soil creation work. The soil repellant material is already suppressed in its water repellency, and it is placed in the ground to be improved with a sufficient amount of fertilizer inside, so that it shows its effect immediately after ground formation. I can. Also, at a later date, add nutrient sources and trace elements to the irrigation water at appropriate times,
It can be effectively added and absorbed in the soil conditioner. Moreover, since peat is a natural product as is known, there is no concern that it will deteriorate due to humus and cause environmental damage, rather,
The fertilizer as humus that the peat holds can be fed to the soil to be improved, and this can be made into a high-quality soil rich in nutrients. Therefore, the soil improving material produced by the present invention can express an effective and safe soil improving effect for a long period of time, and as a result, the soil itself retains water and fertilizer, and the characteristics of peat. It is possible to maintain high quality soil rich in nutrients in areas where vegetation is difficult, and to reforest it by accumulating ground improvement effects such as improved air permeability.

In the present invention, a peat treating agent is produced by dissolving a water-soluble nutrient source and / or a trace element in a solution containing an alkylallyl sulfonate, and peat absorbs the peat treating agent. Thus, even if the water repellency of the peat is suppressed and the nutrient source and / or the trace element is added to the peat, the peat in a state in which the water repellency is suppressed during the production of the soil improving material. However, it can effectively absorb nutrients and / or trace elements.
Therefore, as described above, it is possible to obtain exactly the same effect as when the peat treating agent is produced by dissolving the water-soluble nutrient source and / or the trace element in the solution containing the dialkylsulfosuccinate.

Furthermore, in the present invention, when the water-soluble nutrient source and / or trace element is a humic acid substance or coal weathering material, peat is used as a nutrient source and / or trace element during the production of a soil conditioner. It can absorb humic acid substances and coal weather. Then, such a humic acid substance or a coal weathering material has a very high humic acid content, and thus has a very high fertilizing effect, and even a small amount can be an effective nutrient source and / or trace element. Further, since the humic acid substance and the coal weathering material are easily soluble in water, they are easily dissolved in the solution containing the above-mentioned dialkylsulfosuccinate or alkylallylsulfonate. Therefore, a peat treating agent containing a water-soluble nutrient source and / or a trace element can be easily produced. As a result, it becomes possible to more easily manufacture the soil improving material rich in nutrients as described above.

Furthermore, in the present invention, a caking additive is added to the soil improving agent produced as described above to produce a caking soil improving agent, and the caking soil improving agent is formed into particles. According to this structure, the caking soil improving material can be formed into particles in a form in which the peat is caking by the caking material and is gathered in a predetermined particle size. Then, the bulk specific gravity of the peat gathered in a granular form through the binder increases,
It easily mixes with soil such as sand, and is not scattered by the wind or floated when mixed with other members. Therefore, it becomes easy to handle the soil conditioner during soil preparation work, and the work becomes easier. Further, it becomes even better compatible with the soil to be improved such as the basic soil 2 and other soil improving materials other than the above soil improving materials produced by the present invention.

Further, in the present invention, the peat treatment agent is formed by a solution containing a dialkylsulfosuccinate, and the peat treatment agent is absorbed into the peat, whereby the water repellency of the peat is suppressed and the water repellency is improved. When the water-soluble humic acid substance and / or the coal weathering material is added to the suppressed peat, the peat and the water-soluble humic acid substance and / or the water-repellent property are suppressed during the production of the soil improver. The coal weather can be mixed homogeneously. That is, the water-soluble humic acid substance means a substance obtained by oxidizing lignite, brown coal, peat, etc. with nitric acid or nitrogen dioxide and its salt (ammonium salt,
Potassium salt, magnesium salt, etc.), and coal weathering is a natural resource in which lignite, bituminous coal, etc. are weathered under a natural environment, and therefore, the humic acid substance and coal weathering are in the process of humification. It is very compatible with peat, which is composed of certain plant fibers. Therefore, the peat, whose water repellency is simply suppressed by absorbing the peat treating agent, can be easily mixed with the powdery water-soluble humic acid substance or coal weathering product. Then, as described above, it is possible to add humic acid substances and coal weathered substances that have effective nutrients to peat in the powder state, and such powdery water-soluble humic acid substances and Coal weathering is easy to handle during transportation and storage. In addition, there is an advantage that the amount of contamination in the peat can be controlled by the added weight of the water-soluble humic acid substance or coal weathering agent without depending on the solution concentration or volume.
As a result, it becomes possible to more easily manufacture a soil improving material that is effective and safe for a long period of time. In addition, since the raw material of the water-soluble humic acid substance (that is, lignite, lignite, peat, etc.) and coal weathered material often coexist in the production area of peat, the transportation cost is low. Therefore, the soil conditioner can be economically manufactured.

Further, according to the present invention, a peat treatment agent is produced by a solution containing an alkylallyl sulfonate, and the peat treatment agent is absorbed into the peat to suppress the water repellency of the peat, thereby improving the water repellency of the peat. If the water-soluble humic acid substance and / or coal weathering is added to the suppressed peat, it is exactly the same as the case where the peat treating agent is produced by the solution containing the dialkylsulfosuccinate as described above. The effect of can be obtained.

[Brief description of drawings]

FIG. 1 is a diagram showing an example of soil improvement on a dry slope using a soil improvement material manufactured according to the present invention.

FIG. 2 is a view showing a bag-filled state of the soil improving material produced by the present invention.

[Explanation of symbols]

 1 ... Slope dry land 2 ... Basic soil 3 ... Soil conditioner

Claims (7)

[Claims] 1. A peat treating agent is produced by dissolving a water-soluble nutrient source and / or a trace element in a solution containing a dialkylsulfosuccinate, and peat absorbs the peat treating agent.
The water repellency of the peat is suppressed, and the peat has a nutrient source and / or
Alternatively, a method for producing a soil improving material, in which a trace element is added. 2. A peat treating agent is produced by dissolving a water-soluble nutrient source and / or a trace element in a solution containing an alkylallyl sulfonate, and peat absorbs the peat treating agent.
The water repellency of the peat is suppressed, and the peat has a nutrient source and / or
Alternatively, a method for producing a soil improving material, in which a trace element is added. 3. The method for producing a soil conditioner according to claim 1, wherein the water-soluble nutrient source and / or the trace element is a humic acid substance. 4. The method for producing a soil conditioner according to claim 1, wherein the water-soluble nutrient source and / or the trace element is coal weathering. 5. A caking additive is added to the soil improving agent produced according to claim 1 or 2 to produce a caking soil improving agent, and the caking soil improving agent is formed into granules. The method for producing a soil conditioner. 6. A peat treating agent is produced by a solution containing a dialkyl sulfosuccinate, and peat absorbs the peat treating agent,
The water repellency of the peat is suppressed, and a water-soluble humic acid substance and / or
Alternatively, a method for producing a soil improving material, in which coal weathering is added. 7. A peat treating agent is produced by a solution containing an alkylallyl sulfonate, and peat absorbs the peat treating agent,
The water repellency of the peat is suppressed, and a water-soluble humic acid substance and / or
Alternatively, a method for producing a soil improving material, in which coal weathering is added.